The Lemon Index

All cars · Kia Optima

2010 Kia Optima.

The 2010 Kia Optima is better than average by owner complaints: 28 complaints in its first 3 years and a Lemon Index of 79, where 100 is the average car. Owners complain most about transmission & drivetrain, it has 1 recall, and it gets 23 to 25 mpg combined. The best Kia Optima year is 2017.

79Lemon Index · 100 = average car

Better than average. 1.3× fewer complaints than average.

Best year 2017 · Worst year 2001

Kia Optima
Photo shows a 2018 Kia Optima. Vauxford, Wikimedia Commons · CC BY-SA 4.0 · background removed

Before you buy. What matters most for this car.

Owner complaints28first 3 years
Fuel economy23–25 mpgcombined, EPA
Front crash★★★★★NHTSA, driver

How serious. Out of 75 owner complaints, owners reported:

7crashes
5injuries
2fires
0tows

What owners complain about most. From owner complaints to the government.

transmission & drivetrain57%
airbags21%
brakes7%
engine4%
equipment & accessories4%

Share of this year's owner complaints filed with NHTSA, not the share of cars that break. One complaint can name more than one area.

Transmission problems in every Kia Optima year →

When owners reported problems. From owner complaints to the government.

half by 70K
0K50K100K150K200K

Most owners who filed a complaint with NHTSA had 38K to 80K miles on the car (61 complaints listed the miles). This shows when people who had a problem reported it, not the odds that your car will have it.

  • transmission & drivetrain complaints mostly came at 59K–82K miles
  • airbags complaints mostly came at 22K–88K miles

Recalls 1

  • lights 2013

    Originally, in April 2013, Kia recalled 623,658 model year 2007-2010 Rondo and Sportage, model year 2007-2011 Sorento, model year 2007 Sedona, model year 2010-2011 Soul, and model year 2011 Optima vehicles.

Recall repairs are free at any dealer. A recall only matters if it's still open on that exact car, so check its VIN.

Check a VIN for open recalls

Problems Kia told dealers about

Kia sent dealers 34 repair notes for this car. The ones about its biggest problems:

  • PITSTOP - BRAKE CALIPER LEAK INSPECTION - This PITSTOP provides information related to a brake…
  • Ecm upgrade for improved shift quality-equipped with 2.4l engine and a/t
  • Automatic transmission fluid application guide - this bulletin provides information relating

Ask a seller or mechanic if these were done. Some are free under warranty or a special program.

Government investigations

  • ClosedLoss of motive power2022–2023
  • ClosedThrottle control system vulnerabilities2021–2023

NHTSA looks into a problem when enough owners report it. Many end in a recall.

Safety

Stability controlStandard
Collision warningNot offered
Lane departure warningNot offered

Crash stars (older test): front ★★★★★ · side ★★★★★ · rollover ★★★★☆

NHTSA front crash test of the 2010 Kia Optima
Front crash test · NHTSA
Fuel cost and engines

About $2550–2800 a year in fuel (EPA estimate). Engines: 2.4L 4-cyl, 2.7L 6-cyl.

In owners' words

When braking or not around 20 miles an hour car jerks forward.

2010 Kia Optima owner · NHTSA complaint 10490605
More owner reports

The car buckles when reducing your speed to around 20 mph. Also the rear seat door lock stopped working and my car is no longer under warranty and Kia wants to charge me around 700 dollars to fix it.

NHTSA complaint 10543322

Vehicle kicks from second gear to first gear when slowing down from 20mph.

NHTSA complaint 10503781

Quick answers

Is the 2010 Kia Optima reliable?

Yes, better than average by government complaints. It drew 1.3× fewer complaints than average filed with NHTSA in its first 3 years, per car sold (Lemon Index 79; 100 is average, lower is better). The best Kia Optima year by this measure is 2017.

What are the most common 2010 Kia Optima problems?

In owner complaints to the government, the parts named most are transmission & drivetrain (57%), airbags (21%) and brakes (7%). That is the share of complaints, not the share of cars that break.

How many recalls does the 2010 Kia Optima have?

1 safety recall (latest: lights). Recall repairs are free at any dealer; check a specific car's VIN at nhtsa.gov/recalls.

What gas mileage does the 2010 Kia Optima get?

23 to 25 mpg combined, depending on the engine (EPA estimate).

At what mileage do 2010 Kia Optima problems start?

Half of the owners who gave a mileage reported the problem between 38,000 and 80,700 miles. The middle report was at 70,500 miles, from 61 complaints.

Does the 2010 Kia Optima have transmission problems?

Transmission and drivetrain issues make up 57% of its owner complaints.

How much does the 2010 Kia Optima cost in fuel a year?

About $2550 to $2800 a year, by the EPA's current estimate.

What engines does the 2010 Kia Optima have?

2.4L 4-cyl, 2.7L 6-cyl.

What Kia Optima year is better than the 2010?

By owner complaints per car sold, the best recent years are 2017, 2019 and 2020.

Lemon Index = safety complaints filed with the U.S. government (NHTSA) in a car's first 3 years, per car sold, against the average car of the same model year. 100 is average; lower is better. A complaint is an owner's report, not a confirmed defect. How it works

Updated

Free to use with credit: Source: The Lemon Index (lemonindex.com). Get the data